Block Diagram - Amp Section - Sony HD-X1 Service Manual

6-4. BLOCK DIAGRAM – AMP Section –
AMP BUS
(Page 24)
F
• R-CH is omitted due to same as L-CH.
• SIGNAL PATH
: AUDIO (ANALOG)
: AUDIO (DIGITAL)
SYSTEM CONTROLLER
IC501 (3/4)
1
DAMP SCDT
2
DAMP SHIFT
DAMP LATCH1 51
52
DAMP LATCH2
DAMP LATCH3 53
DAMP INIT 54
55
DAMP SOFT MUTE
OVERFLOW1 49
50
OVERFLOW2
DRIVE_RST 47
DRIVE_OCP 48
HCD-X1
STREAM PROCESSOR
IC231
SDO1
31 DATA
OUTL1
MCK
36 XFSIIN
OUTL2
BCK
30 BCK
LRCK
29 LRCK OUTR1
SCDT
OUTR2
21 SCDT
SHIFT
22 SCSHIFT
LATCH1
23 SCLATCH
XFSOIN
INIT
27 INIT
SOFTMUTE
19 SOFTMUTE
OVF1
24 OVF FLAGR FSOCKO
25 FLAGL OVF FSOI
XFSOOUT
STREAM PROCESSOR
IC232
SDO3
31 DATA OUTL1
MCK
36 XFSIIN
OUTL2
BCK
30 BCK
LRCK
OUTR1
29 LRCK
SCDT
OUTR2
21 SCDT
SHIFT
22 SCSHIFT
LATCH3
23 SCLATCH
INIT
27 INIT
SOFTMUTE
19 SOFTMUTE XFSOIN
OVF2
24 OVF FLAGR
FSOI
25 FLAGL OVF
XFSOOUT
STREAM PROCESSOR
IC233
SDO2
31 DATA
OUTL1
MCK
36 XFSIIN
OUTL2
BCK
30 BCK
LRCK
29 LRCK OUTR1
SCDT
SCDT OUTR2
21 SCDT
SHIFT
SHIFT
22 SCSHIFT
LATCH1
LATCH2
23 SCLATCH
LATCH2
INIT
27 INIT
LATCH3
SOFTMUTE
19 SOFTMUTE
INIT
OVF1
24 OVF FLAGR XFSOIN
SOFTMUTE
25 FLAGL OVF FSOI
OVF1
OVF2
DIGITAL POWER AMP
IC301
11 4 PWM_A
OUT_A
9 6 PWM_B OUT_B
6
4
OSC
14 PWM_C OUT_C
48 BUFFER
IC271
16
PWM_D OUT_D
X271
49.152MHz
37
38
14
5 15 3
DIGITAL POWER AMP
IC302
11 4 PWM_A OUT_A
9 6 PWM_B
OUT_B
6
4
14 PWM_C
OUT_C
16 PWM_D OUT_D
48
38
14
5 15 3
DIGITAL POWER AMP
IC303
11 4 PWM_A
OUT_A
9 6 PWM_B OUT_B
6
4
14 PWM_C
OUT_C
16
PWM_D OUT_D
48
38
5 15 3
Q313
PROTECT DETECT
25 25
CN300
SPEAKER
FRONT LCH+
33 13
LPF
FRONT LCH –
30 LPF 15
OVER LOAD
DETECT
Q304, 310
FRONT RCH+
25 LPF 14
FRONT RCH –
22 LPF 12
OVER LOAD
DETECT
Q301, 307
SW+
33 LPF 5
SW –
30 LPF 7
OVER LOAD
DETECT
Q305, 311
SW+
25 9
LPF
SW –
22 LPF 11
OVER LOAD
DETECT
Q302, 308
REAR LCH+
33 4
LPF
REAR LCH –
30 LPF 2
OVER LOAD
DETECT
Q306, 312
REAR RCH+
25 LPF 1
REAR RCH –
22 LPF 3
OVER LOAD
DETECT
Q303, 309
D452
FAN MOTOR
M450
M
AMP +12V DRIVE
(FAN)
Q451 – 453
HCD-X1